Question: Let vec ( r ) ( t ) = ( : 4 t 2 + 2 , - e - 4 t , 5 s

Let vec(r)(t)=(:4t2+2,-e-4t,5sin(-t):)
Find the unit tangent vector vec(T)(t)at the point t=0
vec(T)(0)=
Let vec ( r ) ( t ) = ( : 4 t 2 + 2 , - e - 4 t ,

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